Finding the Fourth Proportional to 378,759.93, 522,501.47 and 247,860.09
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Solution
The fourth proportional to 378,759.93, 522,501.47 and 247,860.09 is: 341,924.40
Step by Step Solution
- Step 1: Write the proportion equation
378,759.93 : 522,501.47 = 247,860.09 : x - Step 2: Convert to fraction form
378,759.93/522,501.47 = 247,860.09/x - Step 3: Cross multiply
378,759.93x = 522,501.47 × 247,860.09 - Step 4: Simplify right side
378,759.93x = 129,507,260,140.03 - Step 5: Solve for x
x = 129,507,260,140.03/378,759.93 - Step 6: Final answer
x = 341,924.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.